#projectdeeplearning#DYM#dymension -4:

How to understand the execution layer of Dymension in an easy-to-understand manner?

First, let's take a look at Execution Layer-RollApp Architecture. This is an architecture within the dYmension project that allows applications to run in an independent environment, like a small autonomous execution system. The benefit of this architecture is that it can provide a more secure and efficient operating environment, allowing applications to handle their own affairs independently, and to choose different data availability providers to ensure the smooth release and use of data.

Next is Fraud Proof Design. This is an optimistic approach to design in the dYmension project, which assumes that the sequence controller is honest. But to ensure a credibility-minimized environment, the designers introduced a dispute period. During this dispute period, other participants can verify that the status updates submitted by the sequence controller are valid. If fraud is discovered, any participant without special permission can issue a fraud certificate proving that the state transition is valid. If the settlement layer confirms that the status of RollApp is fraudulent, the status will be restored to the previously agreed upon status and the malicious sequence controller will be punished.

Finally, there is Sequencer Decentralization (decentralization of sequence control). dYmension introduces a mechanism that allows applications to process between multiple sequence controllers, which we can call permissioned and permissionless PoS sequence control. Because RollApp relies on the consensus of the settlement layer, the election mechanism of the RollApp sequence controller is determined based on the proportion of the number of DYM (dYmension's local asset) mortgaged on the settlement layer. This mechanism allows RollApp deployers and governance to determine whitelisting criteria and other requirements for sequence controllers.

Summary: Execution Layer-RollApp Architecture is an architecture that allows applications to run in an independent environment, providing a safe and efficient operating environment. Fraud Proof Design is an optimistic approach to design that ensures the credibility of the environment by introducing dispute periods and fraud proofs. Sequencer Decentralization allows applications to process between multiple sequence controllers, selecting a sequence controller based on the proportion of the amount of mortgaged DYM.These designs and mechanisms jointly build the foundation of the dYmension project and provide a safe and reliable running environment for applications.

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